Composition of matter to be used for the welding of copper.



I nn'innn senses PATENT UFFECJLZQ JAMES CREW, OF CHARLESTON, WEST VIRGINIA, ASSIGNOR OF ONE-THIRD TO JESSE CREW AND ONE-THIRD TO JOSEPH BYRON WEHRLE, BOTH OF CHARLESTON, WEST VIRGINIA.

COMPOSITION on MATTER. 130 BE nsnn non THE WELDING on COPPER.

Specification of Letters Patent.

Eatented Dec S, 1908.

Application filed July 23, 1967. Serial No. 385,232.

To all whom it may concern:

Be it kIIOWIIthGQt I, JAMES CREW, a citizen Welding of Copper, of which the following is a specification.

My composition consists of the following ingredients, combined in the proportions stated, {iZZ boron, 10 parts; carbonate of iron, 8 parts; alum, 3 ports. These ingredi ontssre to be thoroughly mixed together.

In using the above named composition a suitable amount should be placed on the joints or ends of the copper intended to be Welded, after first heating the copper to s sufiicient host, and then hammering the joint together as in Welding iron.

. By the use of the above composition copporcan be Welded or joined together so that a perfect wold can be obtained.

I oiz'tii'n: 1. The herein described composition of matter for welding-copper, consisting of borax, carbonate of iron and alum, substantieiiy as described.

2. The herein described composition of matter for Welding copper, consisting of borax; ten parts, and a uni threeparts, substantially as described J AMES CREW.

Witnesses V GEO. W. BELLER, M. B. MAFoR.

arts, carbonate of iron eight 

